The Jolteon (13 / 144) card can be found in the Skyridge set.
Recently sold 1 times and based on those sales is worth around £19.98.
Currently, there are 4 open listings for this card on ebay.
This card sells in the range of £19.98 to £19.98, making it very stable.
This Rare card was illustrated by Hikaru Koike.